[PATCH v4 0/3] OMAP GPMC DT bindings
Jon Hunter
jon-hunter at ti.com
Mon Nov 19 11:48:23 EST 2012
On 11/19/2012 09:29 AM, Daniel Mack wrote:
> This is a series of patches to support GPMC peripherals on OMAP boards.
>
> Depends on Linus' master +
> omap-next (branch omap-for-v3.8/cleanup-headers-gpmc)
>
> The only supported peripheral for now is NAND, but other types would be
> easy to add.
>
> Version 2 addresses details pointed out by Jon Hunter, Afzal Mohammed
> and Rob Herring:
>
> - add "reg" and "ti,hwmod" properties to Documentation
> - use generic of_mtd functions and the property names defined by them,
> namely "nand-bus-width" and "nand-ecc-mode"
> - reduce the default register space size in the Documentation to 8K,
> as found in the hwmod code
> - switch to a DT layout based on ranges and address translation.
> Although this property is not currently looked at as long as the
> handling code still uses the runtime calculation methods, we now
> have these values in the bindings, eventually allowing us to
> switch the implementation with less pain.
>
> Version 3 includes fixes pointed out by Jon Hunter:
>
> - better documentation of the 'ranges' property to describe the
> fact that it's representing the CS lines
> - GPMC_CS_CONFIGx -> GPMC_CONFIGx in comments
> - drop interrupt-parent from example bindings
> - add of_node_put() at the end of the child iteration
>
> Version 4 fixes compilation for !CONFIG_MTD_NAND and includes more
> details from Jon Hunter and Avinash, Philip:
>
> - Add "num-cs" and "num-waitpins" properties, which will eventually
> be used to get rid of GPMC_CS_NUM
> - Better description of generic nand DT properties
> - Dropped patch 3/4 as an equivalent fix was already merged
> - Added ti,nand-ecc-use-elm property
>
> Daniel Mack (3):
> mtd: omap-nand: pass device_node in platform data
> ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs
> ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND
>
> .../devicetree/bindings/mtd/gpmc-nand.txt | 84 ++++++++++
> arch/arm/mach-omap2/gpmc-nand.c | 9 +-
> arch/arm/mach-omap2/gpmc.c | 170 +++++++++++++++++++++
> drivers/mtd/nand/omap2.c | 4 +-
> include/linux/platform_data/mtd-nand-omap2.h | 2 +
> 5 files changed, 264 insertions(+), 5 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mtd/gpmc-nand.txt
Thanks for sending out the update. Am I missing something or did you
drop the gpmc.txt binding documentation?
Cheers
Jon
More information about the linux-arm-kernel
mailing list